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Measuring Environmental Change

Across
Change over time is an example of __ scale
River flow, precipitation, and temperature change are all examples of ___
Observations, interview, pictures, and recording are all examples of ___ data
Down
The study if tree rings to measure draught and fire frequency
In peat cores, higher amounts of ____ indicate that the climate is warmer at the period of time
Using surface and deep sea corals, scientists can measure isotopes which indicate when the open ___ changes
A way to measure change in natural systems before we had direct measurement tools
Difference in the amount of land area being covered is an example of __ scale